Sleeve coupling

Details Sleeve coupling Sleeve coupling

2006-09-26

2010-10-12

Dunwoody, Aaron (Department: 3679)

Pipe joints or couplings

Flexible joint, rigid members

Concrete, clay, or masonry pipe

C285S064000, C285S136100, C285S189000, C052S220800

Reexamination Certificate

active

07810847

ABSTRACT:
A waterproof sleeve coupling for use in a partition for preventing liquid from leaking through a penetration in the partition either adjacent to or through the sleeve coupling. The sleeve coupling has a flexible water stop mounted in sealing contact with a sleeve so that a waterproof seal is formed between the water stop and the sleeve. The sleeve coupling optionally includes an extension coupling and an extension sleeve mounted on the sleeve. When the sleeve coupling is mounted in the partition, the extension sleeve extends beyond the surface of the partition to prevent liquid on the surface of the partition from leaking into the passageway of the sleeve coupling.

REFERENCES:
patent: 4563847 (1986-01-01), Hasty
patent: 4623170 (1986-11-01), Cornwall
patent: 5263746 (1993-11-01), Cornwall
patent: 5293724 (1994-03-01), Cornwall
patent: 5347767 (1994-09-01), Roth
patent: 6305133 (2001-10-01), Cornwall
patent: 6336297 (2002-01-01), Cornwall
patent: 6405502 (2002-06-01), Cornwall
patent: 6470635 (2002-10-01), Cornwall
patent: 6792726 (2004-09-01), Price
patent: 7080486 (2006-07-01), Radke et al.

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